Stay protected through the harshest winter conditions in the Baffin Icebreaker boot. Waterproof. Hardy Timberwolf leather and Diamond-Lite insulated nylon uppers keep feet protected from the outside elements. Lace-up front with bungee closure. Built-in gaiters keep snow out. Adjustable cuff with bungee closure. Heel pull for easier on and off. Eight-layer inner boot system with Thermaplush insulation helps keep feet warm. Waffle insole and anatomical footbed offer added underfoot comfort. Integrated Arctic Flex rubber base. Hardy Icepaw outsole for exceptional grip. Temperature Rating: -94 degreesF/ -70 degreesC. Measurements: Heel Height: 1 1 2 in Weight: 2 lbs 10 oz Circumference: 22 in Shaft: 14 1 4 in Product measurements were taken using size 12, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.